本文实例为大家分享了java实现图片旋转、指定图像大小、水平翻转，供大家参考，具体内容如下
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 |
package com.zeph.j2se.image;
import java.awt.graphics2d; import java.awt.renderinghints; import java.awt.image.bufferedimage;
public class imageoperate { /** * 旋转图片为指定角度 * * @param bufferedimage * 目标图像 * @param degree * 旋转角度 * @return */ public static bufferedimage rotateimage( final bufferedimage bufferedimage, final int degree) { int w = bufferedimage.getwidth(); int h = bufferedimage.getheight(); int type = bufferedimage.getcolormodel().gettransparency(); bufferedimage img; graphics2d graphics2d; (graphics2d = (img = new bufferedimage(w, h, type)).creategraphics()) .setrenderinghint(renderinghints.key_interpolation, renderinghints.value_interpolation_bilinear); graphics2d.rotate(math.toradians(degree), w / 2 , h / 2 ); graphics2d.drawimage(bufferedimage, 0 , 0 , null ); graphics2d.dispose(); return img; }
/** * 变更图像为指定大小 * * @param bufferedimage * 目标图像 * @param w * 宽 * @param h * 高 * @return */ public static bufferedimage resizeimage( final bufferedimage bufferedimage, final int w, final int h) { int type = bufferedimage.getcolormodel().gettransparency(); bufferedimage img; graphics2d graphics2d; (graphics2d = (img = new bufferedimage(w, h, type)).creategraphics()) .setrenderinghint(renderinghints.key_interpolation, renderinghints.value_interpolation_bilinear); graphics2d.drawimage(bufferedimage, 0 , 0 , w, h, 0 , 0 , bufferedimage.getwidth(), bufferedimage.getheight(), null ); graphics2d.dispose(); return img; }
/** * 水平翻转图像 * * @param bufferedimage * 目标图像 * @return */ public static bufferedimage flipimage( final bufferedimage bufferedimage) { int w = bufferedimage.getwidth(); int h = bufferedimage.getheight(); bufferedimage img; graphics2d graphics2d; (graphics2d = (img = new bufferedimage(w, h, bufferedimage .getcolormodel().gettransparency())).creategraphics()) .drawimage(bufferedimage, 0 , 0 , w, h, w, 0 , 0 , h, null ); graphics2d.dispose(); return img; } } |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
原文链接：https://blog.csdn.net/benweizhu/article/details/7307720
查看更多关于Java实现图片旋转、指定图像大小和水平翻转的详细内容...